(!!!!!) (Best Overall Pair) 5V4G RCA NOS black plates 1950 (60-62/40 and 60-62/40) 1-2% matched (next best to GZ32 Mullard UK)
(!!!!) (2nd Best Pair) 5V4G RCA NOS 1951-1953 (61-61/40 and 60-61/40) 1-2% matched
(!!!!) (Best GE Pair) 5V4GA GE NOS rebranded Sylvania same date codes (63-65/40 and 63-66/40)
(!!!!) (BEST PAIR) 5V4G National Union NOS 1951 same date codes (56/40 and 56/40 x 2 tubes) 1% matched
(!!!!) (Best RCA Pair) 5V4GA RCA gray plates NOS 1968-1972 (58-58/40 and 59-59/40)
(!!!!) (Best Value Pair) 5V4G RCA NOS 1948-1950 some stains on glass (57-58/40 and 58-58/40)
(!!!!) (BEST VALUE SINGLE) GZ32 Miniwatt Dario France NOS around 1955 (62/40 and 64/40) rattle inside base
(!!!!) (Recommended Pair) 5V4G National Union NOS 1951 same date codes (58-59/40 and 57-58/40 x 2 tubes) 1-3% matched
(!!!!) (Recommended Pair) 5V4G RCA 1950's low hours/like new (60-62/40 and 60-64/40)
(!!!!) (Single) 5V4G Ken Rad black plates NOS 1940's (59/40 and 60/40)
(!!!) (Best Pair) 5V4G Sylvania NOS 1945 (62-62/40 x 2 tubes) 1% matched
(!!!) (Best RCA Pair) 5V4GA RCA gray plates NOS 1963-1965 slightly tilted glass (60-62/40 and 59-60/40)
(!!!) (Best Single) 5V4GA RCA black plates NOS 1958 slightly tilted glass (62/40 and 62/40)
(!!!) (Good Value) 5V4G=CV729 Brimar UK gray plates "D" getter halo 1950's used/good, adapter on bottom of tube (60/40 and 60/40)
(!!!) 5V4G Sylvania NOS 1954 (56/40 and 56/40)
(!!) (Good Value) 5V4GA Sylvania branded Westinghouse low hours/tests like new 1966 (55/40 and 55/40)
(!!) 5V4G RCA branded GE NOS 1958 (60/40 and 60/40)
(!!) 5V4G RCA NOS black plates 1955 (60/40 and 60/40)
(!!) 5V4GA RCA NOS gray plates 1967 (66/40 and 68/40)
(!!) 5V4GA RCA NOS gray plates 1971 slightly tilted glass (60/40 and 60/40)